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<div class="titlepage"><div><div><h4 class="title">
<a name="boost_asio.reference.spawn.overload2"></a><a class="link" href="overload2.html" title="spawn (2 of 7 overloads)">spawn (2 of 7
        overloads)</a>
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<p>
          Start a new stackful coroutine, calling the specified handler when it completes.
        </p>
<pre class="programlisting">template&lt;
    typename <a class="link" href="../Handler.html" title="Handlers">Handler</a>,
    typename Function&gt;
void spawn(
    Handler &amp;&amp; handler,
    Function &amp;&amp; function,
    const boost::coroutines::attributes &amp; attributes = boost::coroutines::attributes(),
    typename constraint&lt; !is_executor&lt; typename decay&lt; Handler &gt;::type &gt;::value &amp;&amp;!execution::is_executor&lt; typename decay&lt; Handler &gt;::type &gt;::value &amp;&amp;!is_convertible&lt; Handler &amp;, execution_context &amp; &gt;::value &gt;::type  = 0);
</pre>
<p>
          This function is used to launch a new coroutine.
        </p>
<h6>
<a name="boost_asio.reference.spawn.overload2.h0"></a>
          <span class="phrase"><a name="boost_asio.reference.spawn.overload2.parameters"></a></span><a class="link" href="overload2.html#boost_asio.reference.spawn.overload2.parameters">Parameters</a>
        </h6>
<div class="variablelist">
<p class="title"><b></b></p>
<dl class="variablelist">
<dt><span class="term">handler</span></dt>
<dd>
<p>
                A handler to be called when the coroutine exits. More importantly,
                the handler provides an execution context (via the the handler invocation
                hook) for the coroutine. The handler must have the signature:
</p>
<pre class="programlisting">void handler();
</pre>
<p>
              </p>
</dd>
<dt><span class="term">function</span></dt>
<dd>
<p>
                The coroutine function. The function must have the signature:
</p>
<pre class="programlisting">void function(basic_yield_context&lt;Handler&gt; yield);
</pre>
<p>
              </p>
</dd>
<dt><span class="term">attributes</span></dt>
<dd><p>
                Boost.Coroutine attributes used to customise the coroutine.
              </p></dd>
</dl>
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<td align="right"><div class="copyright-footer">Copyright © 2003-2021 Christopher
      M. Kohlhoff<p>
        Distributed under the Boost Software License, Version 1.0. (See accompanying
        file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
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